T43.3X4 - Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined T43.3 - Poisoning by, adverse effect of and underdosing of phenothiazine antipsychotics and neuroleptics T43.3X - Poisoning by, adverse effect of and underdosing of phenothiazine antipsychotics and neuroleptics T43.3X4 - Poisoning by phenothiazine antipsychotics and neuroleptics, undetermined